Changes In Outstanding Options Granted Under Equity Incentive Plans (Detail) (USD $)	12 Months Ended
	Oct. 31, 2014	Oct. 25, 2013	Oct. 26, 2012
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Outstanding, beginning of year, Shares Subject to Option	1,831,738	2,124,300	1,825,300
Granted, Shares Subject to Option	207,200	257,000	386,400
Exercised, Shares Subject to Options	(618,645)	(518,537)	(60,775)
Forfeited/cancelled Shares Subject to Option	(43,500)	(31,025)	(26,625)
Outstanding, end of year, Shares Subject to Option	1,376,793	1,831,738	2,124,300
Exercisable, end of year, Shares Subject to Option	754,443	1,075,788	1,258,900
Outstanding, beginning of year, Weighted Average Exercise Price	$ 51.08	$ 46.18	$ 44.49
Granted, Weighted Average Exercise Price	$ 97.61	$ 65.58	$ 52.97
Exercised, Weighted Average Exercise Price	$ 45.16	$ 37.89	$ 36.52
Forfeited/cancelled Weighted Average Exercise Price	$ 64.74	$ 56.52	$ 50.68
Outstanding, end of year, Weighted Average Exercise Price	$ 60.31	$ 51.08	$ 46.18
Exercisable, end of year, Weighted Average Exercise Price	$ 50.36	$ 45.65	$ 41.89